N5421E

Part: PUMP — LEAKING (FUEL BOOST)

FUEL PUMP ASSY LEAKING AT SCREWS ON BASE PLATE.

Part: SEAL — CHIPPED (OIL BELLOWS)

ENGINE REMOVED DUE TO TURBINE OVERHAUL. UPON INSPECTION OF TURBINE PARTS NOTED: PITS AND CHIPPING ON CARBON SEAL MATING SURFACE. INSTALLED NEW CARBON SEAL.

Part: INDICATOR — INOPERATIVE (TURN AND BANK)

TURN AND SLIP INDICATOR INOPERATIVE.

Part: INDICATOR — ERRATIC (FUEL LEVEL)

FUEL LEVEL GAUGE SUPPLY INDICATOR ERRATIC.

Part: TRANSMITTER — FAILED (FUEL PRESSURE)

INDICATOR DROPS TO ZERO AFTER TRANSMITTER WARMS UP.

Part: DRIVE SHAFT — CRACKED (TAIL ROTOR)

TAIL ROTOR HAS CRACKS IN PLATING.

Part: TRANSMITTER — READS HIGH (FUEL PRESSURE)

FUEL PRESSURE TRANSMITTER READS HIGH DURING PUMP OPERATION.

Part: WARNING BOX — MALFUNCTIONED (ROTOR RPM)

RPM LIGHT AND AUDIO COME ON INTERMITTENTLY.

Part: INDICATOR — STICKING (COCKPIT)

TACHOMETER STICKS AT LOW RPM EXCESSIVE FRICTION ERROR.

Part: INDICATOR — STICKING (COCKPIT)

INDICATOR STICKS AT LOW RPM.

Part: INDICATOR — INOPERATIVE (COCKPIT)

NEEDLES NOT MOVING, NO INDICATION ON RPM INDICATOR.

Part: TRANSMITTER — FAULTY (FUEL PRESSURE)

FUEL PRESSURE TRANSMITTER PEGS OUT INTERMITTENTLY.

Part: INDICATOR — STICKS (SINGLE RPM)

INDICATOR INTERMITTENTLY STICKS AT ZERO.

Part: INDICATOR — ERRATIC (SINGLE RPM)

ERRATIC ON STARTUP AND SHUTDOWN.

Part: TACH-GENERATOR — MALFUNCTION (ENGINE)

FROM STOCK, INSTALLED IN AIRCRAFT DURING GROUND RUN, HAD NO NEEDLE INDICATION ON TRIPLE TACH INDICATOR. INSPECTED AND TESTED BY ACCESSORY OVERHAUL SHOP AND COULD NOT FIND ANY PROBLEM WITH TACH GENERATOR, IT TESTED OK AND WAS RETURNED TO SERVICE.

Part: NOZZLE — CRACKED (NR 3)

TURBINE REMOVED DUE TO CYCLES. UPON INSPECTION OF TURBINE PARTS NOTED: CRACKED BEYOND SERVICEABLE LIMITS ON NR 3 NOZZLE FORWARD FLANGE AND AREAS MARKED. INSTALLED A STANDARD AERO OVERHAULED NOZZLE.

Part: PT SUPPORT — DEFECTIVE (ENGINE)

TURBINE REMOVED DUE TO CYCLES. UPON INSPECTION OF TURBINE PARTS NOTED: MEASURED .003 OVER SPECS (1.764-1.761) ON PT SUPPORT NR 6 DAMPER GROOVE AND CHROME FLAKING FROM NR 7 DAMPER GROOVE.

Part: INDICATOR — FAILED (MAST MOMENT)

MAST MOMENT INDICATOR WILL NOT CALIBRATE OR TEST.

Part: TRANSMITTER — FAILED (ROTOR)

TORQ TRANSMITTER WILL NOT CALIBRATE OR TEST.

Part: INDICATOR — FAILED (MAST MOMENT)

MAST MOMENT INDICATOR READS HIGH OUT OF TOLERANCE.

Part: TRANSMITTER — FAILED (ROTOR)

TORQUE TRANSMITTER READS HIGH OUT OF TOLERANCE.

Part: INDICATOR — STICKS (COCKPIT)

TOT NEEDLE HAS EXCESSIVE FRICTION.

Part: INDICATOR — FAILED (COCKPIT)

TOT INDICATOR HAD EXCESSIVE FRICTION AND READS LOW OUT OF TOLERANCE.

Part: IGNITER BOX — DEFECTIVE (ENGINE)

IGNITER BOX THREADS ON IGNITER LEAD CONNECTOR CROSS THREADED.

Part: TRANSMITTER — DEFECTIVE (FUEL PRESS)

FUEL PRESS TRANSMITTER INTERMITTENT LOW FUEL PRESSURE.

Part: CLUTCH — SLIPPAGE (FREEWHEEL)

FREEWHEEL CLUTCH SLIPPAGE.

Part: CLUTCH — SLIPPING (FREEWHEEL)

FREEWHEEL SLIPPAGE.

Part: BLADE — CRACKED (M/R)

NOSE AND NECK SHELL CRACKED AND TIP CAP SEPARATED.

Part: BLADE — PAINT PEEL (T/R)

T/R BLADE PAINT PEELING. TIME SINCE REPAIR 99:25.

Part: BLADE — REQ REPAINT (T/R)

NO DISCREPANCIES, BLADE REQ REPAINT TO BALANCE.

Part: NOZZLE — CRACKED (NR 1 VANE)

ENGINE REMOVED DUE TO AFT T/M LEAKS. TURBINE DISASSEMBLED DUE TO LOW POWER ON TEST RUN. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: CRACKED AND BOWED BEYOND SERVICEABLE LIMITS ON #1 NOZZLE VANES. INSTALLED A STANDARD AERO OVERHAULED #1 NOZZLE.

Part: COMB LINER — NOT WELDED (MID SKIRT)

RECEIVING INSPECTION REVEALED: MID SKIRT NOT WELDED TO LOWER SKIRT ON COMBUSTION LINER AS MARKED. REPLACED DISCREPANT PART.

Part: RPM WARN BOX — MALFUNCTION (ENG)

WARNING LIGHT ILLUMINATES AT 100% N2 AND 100% NR WITH N1'S MATCHED. DOES NOT ILLUMINATE WITH 12% N1 SPLIT.

Part: INDICICATOR — STICKS (COCKPIT)

STICKS FROM 0% TO 30% INTERMITTENTLY. TIME SINCE REPAIR 17:05.

Part: CASE — DEFECTIVE (OUTER ASSY)

UPON TURBINE ASSEMBLY NOTED THE FOLLOWING: UNABLE TO FIT AIR TUBE RETAINING RING INTO COMB CASE RING GROOVE. REPLACED DISCREPANT PART.

Part: INDICATOR — WONT CALIB (EXH TEMP)

WILL NOT CALIBRATE.

Part: CONTROL ROD — CORRODED (T/R)

ROD IS CORRODED. (CORROSION FOUND UNDERNEATH BLACK HEAT SHRINK. REPLACED WITH SERVICEABLE CONTROL TUBE.

Part: CONTROL ROD — CORRODED (FLT CONTROL)

CONTROL ROD IS CORRODED. (CORROSION UNDER CONTROL ROD NUT) REPLACED WITH SERVICEABLE CONTROL ROD.

Part: CONTROL ROD — DAMAGED (FLT CONTROL)

NUT END OF CONTROL ROD DAMAGED. REPLACED WITH SERVICEABLE CONTROL ROD.

Part: TUBE ASSY — LEAKING (ENG GR BOX)

ENGINE REMOVED DUE TO OIL LEAKING AT GEARBOX SPLIT LINE. UPON INSPECTION OF GEARBOX PARTS NOTED THE FOLLOWING: OIL TRANSFER TUBE FAILED DIMENSIONAL CHECK IN ACCORDANCE WITH CEB1307. INSTALLED A NEW OIL TUBE ASSY.

Part: BLADE — DELAMINATED (1ST STAGE WHEEL)

ENGINE REMOVED DUE TO CYCLED OUT 2ND STAGE WHEEL. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: SULFIDATION OF 1ST STAGE WHEEL BLADES CAUSING DELAMINATION ON AFT SIDE OF LEADING EDGES. SCRAPPED 1ST STAGE WHEEL.

Part: TRANSCEIVER — DEFECTIVE (COCKPIT)

TRANSPONDER WILL NOT IDENT. RESOLDERED COLD SOLDER JOINT ON DIODE CR416. REPAIRED RECEIVE PROBLEM. FOUND -10 VOLTS ON -6 VOLT LINE. TROUBLESHOT AND FOUND C409 CAPACITOR DEFECTIVE. REPLACED CAPACITOR TO REPAIR -6V LINE. COMPLETED FUNCTION CHECK. ALSO INSTALLED Q415 HEATSINK AND REPLACED DETERIORATED RESISTOR R477. BENCH CHECK GOOD.

Part: PUMP ASSY — DEFECTIVE (FUEL SYS)

PUMP CUTS OUT AND CAUSE FUEL PRESSURE TO FLUCTUATE. REPLACED PUMP ASSEMBLY.

Part: CENTER CASE — WORN (M/R XMSN)

CENTER CASE TAIL ROTOR BORE WORN BEYOND LIMITS.

Part: BLADE — CRACKED (M/R)

NOSE AND NECK SHELLS CRACKED.

Part: BLADE — CRACKED (M/R)

NOSE AND NECK SHELLS CRACKED.

Part: INDICATOR — DEFECTIVE (TRIPLE OIL TEMP)

ROTOR AND #2 NEEDLE BOUNCES.

Part: INDICATOR — DEFECTIVE (TRIPLE OIL TEMP)

#2 NEEDLE READS LOW BELOW TOLERANCE.

Part: LORAN — DEFECTIVE (COCKPIT)

SLOW TO WARM UP. LOSES ITSELF. SENT TO ARNAV SYSTEMS FOR INSPECTION AND REPAIR.

Part: RECEIVER — DEFECTIVE (COCKPIT)

INTERMITTENTLY GOES INTO OSCILLATION MODE.